On Fri, Jul 9, 2010 at 12:41, Bill Janssen <jans...@parc.com> wrote:
> So, FTP is *not* the "default protocol". On the other hand, if <host>
> actually begins with "ftp.", it's a pretty good guess that FTP will
> work.
Actually, FTP *is* the default protocol for most URLs with hostnames in
urllib.py.
urllib.open_file() delegates to open_ftp() if there's a any host other than
the exact string "localhost", and open_local_file() otherwise.
>>> import urllib
>>> f =urllib.urlopen('file:///foo.txt')
>>> f =urllib.urlopen('file://localhost/foo.txt')
>>> f = urllib.urlopen('file://www.google.com/')
Traceback (most recent call last):
File "<stdin>", line 1, in <module>
File "c:\python25\lib\urllib.py", line 82, in urlopen
return opener.open(url)
File "c:\python25\lib\urllib.py", line 190, in open
return getattr(self, name)(url)
File "c:\python25\lib\urllib.py", line 457, in open_file
return self.open_ftp(url)
File "c:\python25\lib\urllib.py", line 538, in open_ftp
ftpwrapper(user, passwd, host, port, dirs)
File "c:\python25\lib\urllib.py", line 844, in __init__
self.init()
File "c:\python25\lib\urllib.py", line 850, in init
self.ftp.connect(self.host, self.port)
File "c:\python25\lib\ftplib.py", line 129, in connect
raise socket.error, msg
IOError: [Errno ftp error] (10060, 'Operation timed out')
>>> f =urllib.urlopen('file://127.0.0.1/foo.txt')
Traceback (most recent call last):
File "<stdin>", line 1, in <module>
File "c:\python25\lib\urllib.py", line 82, in urlopen
return opener.open(url)
File "c:\python25\lib\urllib.py", line 190, in open
return getattr(self, name)(url)
File "c:\python25\lib\urllib.py", line 457, in open_file
return self.open_ftp(url)
File "c:\python25\lib\urllib.py", line 538, in open_ftp
ftpwrapper(user, passwd, host, port, dirs)
File "c:\python25\lib\urllib.py", line 844, in __init__
self.init()
File "c:\python25\lib\urllib.py", line 850, in init
self.ftp.connect(self.host, self.port)
File "c:\python25\lib\ftplib.py", line 129, in connect
raise socket.error, msg
IOError: [Errno ftp error] (10061, 'Connection refused')
--
Tim Lesher <tles...@gmail.com>
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